close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2833551

код для вставки
May 6, 1958
2,833,541
J. G. FOSTER ET AL
MOTION PICTURE APPARATUS
Filed July 12'. 1954
3 Sheets-Sheet 1
.
INVENTORS
JAG/(SON G- FOSTER
ARTHUR H. osrs
BY ‘QM
ATTORNEY
May 6, 1953
J. G. FOSTER ET AL
2,833,541
MOTION 'PICTURE APPARATUS
Filed July 12, 1954
3 Sheets-Sheet 2
/
A
A
E1
Mm
M\
f5/
//
. LA
4m
a
A
A
Am
J.
M/mmmf
TW3
A./._ .w
_A
gm
,my.
.0
85%
Rm
I
[email protected]
A.I?A
A T TOR/V5 X
May 6, ‘19:53
J. G. FOSTER ET AL
\
' 2,833,541
' MOTION PICTURE APPARATUS
Filed July 12. 1954
/26 I
5 Sheets-Sheet 3
/2.7
_2'7_Z_g_4-
//4
/0
%>\ C36 29 >\ L37
a
23-’.
33
A Ill
-
,2,
//F
'
J
/ / ,/
a
,
\
/ / /
/
\
I
\
.
\
54
TO OTHER
'
com BOXES
J ~53
42
no v.
‘\46
‘
I
A
'
JNVEN TORS
JACKSON 0. FOSTER
ARTHUR H. F08 r55’
BYQMHQM“
ATTORNEY
United States Patent 0 ice
1
2,833,541
Patented May 6, 195,8
' 2
The invention, as shown in the drawings, is housed in
a box-shaped booth or compartment 10 de?ned by a rear
wall 11, front wall 12, and side walls 13 and 14. Nor
mally, no special ceiling is required, the walls 11, 12, 13,
2,833,541
and 14 being extended up to the building’s ceiling or being
MOTION PICTURE APPARATUS '
made tall enough so that no one can see over them, and.
Jackson G. Foster and Arthur H.4F0ster, Concord, Calif.
Application July 12, 1954, Serial No. 442,592
'
9 Claims. (Cl. 272-1)
watch the picture without paying, but a special ceiling may
be provided to eliminate unwanted scattered light, if de
sired. The ?oor 15 may be simply the floor of the build
10 ing in which the booth 10 is housed. A typical booth.
like those in the drawings is about twelve feet long by eight
This invention relates to an improved motion picture
apparatus, of the type in which a rectangular boothen
feet wide and'seven feet high‘. If fewer viewers are to be
accommodated, it may be narrower or shorter, or both; for
more viewers it may be wider or longer or‘both.
A screen 16, upon which the motion pictures are pro
jected, is supported on the inner surface of the rear‘wall
11. In the form of the device shown in Figs. 4‘and 5'the
picture emanates from a single projector 17 adjacent the
the picture through a viewing window.
.
front wall 12. In the form of the device shown in Figs. 1 '
The present invention solves several problems that had
20 to 3, two projectors 17 and 18 operate alternately, as de
heretofore limited the usefulness ofthis general type of
scribed later on.
‘
c‘loseslboth the projection apparatus and the screen, and
in'which‘each viewer stands outside the booth and watches
apparatus. . One problem was the limitation on the num
ber of viewers. Prior-art booths accommodated only one
viewer at a time; the present invention makes it possible
Instead of having only a single viewing opening,'as ‘is
normal in this type of device, a plurality of viewing open
ings 20, 21, 22, and 23 are provided in the front wall 12.
to accommodate, many people at, a single booth, without
In'addition, viewing openings 24 and 25 are provided in
crowding, anyone and without interfering with anyone’s 25 one side wall 13, and viewing openings 26 and 27 are pro
enjoyment. ‘It does this by providing several windows in
vided in the other side wall 14. This provision’ of view
the booth and by utilizing the sides of the booth, provid
ing windows in the side walls 13 and 14 is a feature of
ing ‘some . viewing windows therethrough which are
the present invention which makes it possible to accom
equipped with mirrors so as to afford a good view of the 30 modate more people without crowding them or causing
screen.
In this type of apparatus, the viewing window is normal
ly covered over or obscured by a closuredevice, which is
moved out of the way for a timed interval by a coin
any inconvenience to them. It is made possible by mir
rors 28 and 29 set in the side walls 13, 14 adjacent the
openings‘ 24, 26, and 25, 27 respectively, and arranged
to re?ect the picture from the screen 16 through the open
actuated device. At the same time the projectormust be 35 ings.
started. Therefore, another problem has been to provide
In booth 10 like the one shown in the drawings, and
separate observers the same amount of viewing time, no
with the dimensions already given, where the screen 16 j
matter when one may start observing vand, at the same
is approximately four‘ feet wide by six feet high, the mir
tiine,,to avoid causing interruption of the show’ during,
rors 28 and 29 may be approximately six inches Wide by
anyone’s viewing time. The present invention has solved 40 ?ve inches high for re?ection of the full screen. The mir
this problem by a novel circuit arrangement for the view
rors 28 at the windows 24 and 26 may be disposed at an
ing window closure devices, which is also connected up
angle of approximately 59° thereto, while the mirrors-29
with‘the projector, so that maximum economy is effected
set at the windows 25 and 27 may be disposed at approxi
in the use of the projector.
.
'
mately 62° thereto, for a booth having the dimensions
Since these apparatus are normally used in nickel 45 stated previously. This disposition makes it possible for
arcades and such amusement centers, another problem
all eight windows of the booth 10 to be used simultane
hasheretofore been to avoid taking up too much of the
ously. ‘'
' '
proprietor‘s time or that of his employees in operating
Although ?gures have been given, it will be understood
the apparatus. This invention solves this problem by
that the exact size of the booth 10 as well as the exact
making it possible for an operator to devote a minimum 50 number of viewing openings is optional. Preferably, the
amount of time and attention to the projection apparatus.
openings are normally located about two feet apart, meas- _
In this invention, the projector starts automatically when
someone begins viewing and stops running when no one
is viewing. When the ?lm runs out and has to be changed, '
'uring between centers, the end opening of any wall being
located about onejfoot from each corner. With these
dimensions, there is adequate room for one to look
an automatic warning system noti?es the operator, and, 55 through his viewing opening without interfering in any
in one form of the invention, an automatic transfer cir
way with those looking through the next adjacent open
cuit switchstarts a second projector when the ?rst one
stops, so that there is no interruption of the show.
ings.
Space for additional windows in the front wall ,
12 may be provided by increasing the width of the booth
Other objects and advantages will appear from the fol
accordingly, and space for additional windowsin the
lowing description of some preferred embodiments. of the 60 side walls 13 and 14 may be obtained by extending the ,
invention presentedin accordance with 35 U. S. C. 112.
length of the booth accordingly. Of course, more side 1
In the drawings:
windows could be added even without doing this, but then.
Fig. -1 is a view in perspective of a device embodying
the picture would tend to be distorted.
the principles ofthe present invention, some parts being
In the present invention, each of the openings 20, 21, g
broken away to show other parts more clearly.
22,
23, 24, 25, 26, 27 is normally closed off by an in
Fig. 2 is a top plan diagrammatical view in section of
dividual shutter 30, 31, 32, 33, 34, 35, 36, 37, which
thedevice» of Fig. 1, the projectors being indicated dia
grammatically. only.
.
'
Fig. 3yis a circuit diagram of the device of Fig. 1.
Fig. -4 is atop plan view in section generally like Fig. 2
but showing a modi?ed form of apparatus.
Fig. 5,.is a circuit diagram of the apparatus of Fig. 4.
must be moved out of the way before the viewer can see
the screen 16. Each shutter 30, 31, 32, 33, 34, 35, 36, 37
is operated by a solenoid 40. The solenoid 40 may be of
the ordinary type, with a lever connection or direct con- '
nection to‘ the shutter, but superior results can be ob
2,833,641
3
4
tained by using a circular or rotary solenoid 40 as shown,
that, when energized, rotates ashutter arm 41 to displace
projector 17. Simultaneously, it may turn on a buzzer
57 which warns the proprietor that automatic operation
the shutter about 66° and remove it from in front of its
is at an end and that the ?lm needs to be changed, re
versed, or rewound.
opening. De-energization of the solenoid 40 causes the
shutter to go back in front of the viewing opening. Ener
To summarize briefly the operation of the device of
gization of the solenoid 40 is controlled by an actuator,
Figs. 4 and 5, suppose that the projector 17 is not operat
such as a coin box 42, ‘which may be provided with a
ing and that someone wants to see the show. When he
timer 43 that automatically de-energizes the solenoid 40
deposits a coin in a box 42, :the switch 44 is closed, one
after a predetermined interval of time.
shutter 30 is raised, opening the window 20 and the
In this invention, the projectors 17 or 18 operate only 10 projector 17 starts projecting a picture on the screen 16.
while one or more of the windows 20, 21, 22, 23, 24,
‘If. no one else drops a coin in any other coin box, the
25, 26, or 27 is open, i. e., uncovered by its shutter. In
projector 17 ‘will stop when the timer 43 de-energizes the
other words, the coin that opens the ?rst window will
solenoid 40 and the shutter 30 closes. However, if in
start operation of the projector 17 or 18 as well as caus~
the meantime someone else has deposited a coin while
ing the shutter to move and open the window, and the 15 the projector 17 is still operating, the projector 17 will
not stop when the ?rst shutter 30 closes but will continue
someone continues to supply the apparatus with coins at
running until the second shutter 31 closes or, if in the
any window, even after the original viewer’s time is up
meantime a third coin has been deposited in another box,
and his shutter ‘has closed.
until all the shutters are closed. Finally, the automatic
The means by which this result is achieved will now be
operation continues until the ?lm 53 runs out, and then
explained, with reference to the circuit diagrams, the
a warning signal is sounded by the buzzer 57.
projector 17 or 18 will continue to operate so long as
?rst vform of the device to be considered being the simple
The two-projector apparatus of Figs. l-3 makes it
one shown in Figs. 4 and 5, where there is only one
possible to avoid interruption while the ?lm is being
projector 17. In addition to the timer 43, each coin ap
changed or rewound. The operation is identical at all
paratus 42 includes a coin-actuated switch 44, and prefer 25 other stages with the operation of Figs. 4 and 5. How
ably a counter 45 to keep track of ‘how many people
ever, when the notch ‘54 is reached, instead of the switch
have used that particular box 42, thereby providing'a
56 merely cutting off the motor 51 and lamp 52 of the
projector ‘17 and starting ‘the buzzer 57, the apparatus of
check on the number of the coins which should be in
the coin box 42. When the switch 44 is closed (by
Figs. 1-3 .also actuates a transfer relay or latching relay
dropping a coin), current can ?ow from a current source
58 _or other means that starts the motor 61 and lamp 62
46 to a transformer 47 and from there, preferably through
of the second projector 18 operating. This means that
a recti?er 48, to the solenoid 40 for that particular shutter,
the show can continue without interruption, the ?lm at
say the shutter 30. When this happens, the element of
one projector'being changed while the other projector is
the solenoid 40 is rotated 66° and the shutter 30 islro
running. When the end (or notch 54) of the second
tated out of the way, affording an unimpeded view through 35 ?lm 63 is reached, the projector 18 will be shut 011 by
the opening 20, so that the screen 16 can be clearly seen.
the switch 66, and the ?rst projector 17 will be started
again.
'In addition to opening the shutter 30, rotation of the
solenoid 40 also rotates a mercury switch 50 mounted
As shown in Fig. 1, the projectors 17, 18 may be
thereon, turning it from its open to its closed position.
relatively'simple devices, with one reel 55 of each mounted
‘Closing the mercury switch 50 turns on the motor 51 and 40 on a bracket 70 secured to the front wall 12 and the
lamp 52 of the projector 17 and a picture is then thrown
other reel 71 mounted on a bracket 72 that is held in
on the "screen 16.
the ?oor v15. A door 73 may be .provided in one wall of
At the end of a predetermined interval of time, the
the booth 10, for access by the proprietor or other oper
timer 43 will shut off the current to the transformer 47
ator to the ‘inside of the booth 10.
and therefore, no current will ?ow through the recti?er
48, the solenoid 40 will be de-energized, and the shutter
For convenience and superior operation, the mercury
switches56, 66 may be mounted in an arm 67 that is piv
30 will fall back into place. Simultaneously, the mercury
oted or hinged to the projector 17 or 18. The outboard
switch 50 will be rotated to its open position, and unless
end of the arm 67 holds a freely-rotatable roller 68
some other switch 50 has been closed in the meantime,
that rides on the ?lm 53 or 63 at all times, its weight
the motor 51 and lamp 52 of the projector 17 will be
serving to keep it in contact. When the notch 54 or end
shut off.
(not shown) of the ?lm is reached, the roller 68 is no
However, all the coin boxes 42 are provided with
longersupported; so the arm 67 falls, actuating the mer
identical parallel circuits and any mercury switch 50,
cury switch 56 or 66.
when closed, will operate the projector 17 and cause it
As one skilled in the art will see, if the ?lm 53 or 63
to continue operating. If a second viewer begins viewing 55 in any form of this device becomes broken, the mercury
‘while the ?rst viewer’s time is still running, his coin will
switch ‘56 or 66 will fall as the break passes it, just as
not only move his shutter 31 out of his way, but will
it‘falls at the end (not shown) of the ?lm 53 or 63 or at
operate the remainder of the circuit in connection there
the notch 54. When the switch 56 or 66 falls, it sounds
with. Therefore, the circuit to the second mercury switch
the warning buzzer 54 or 57, notifying the proprietor of
50a will remain closed after the ?rst viewer’s shutter 30
theneed 'forhim to come and give his attention to the
has shut oifhis view. The projector 17 will continue
device. Thus, the switches 56, 66 and buzzers 54, 57
running until all the timers 43 have opened all their cir
provide a safety and warning device, as well as an indica
cuits and until the ‘last mercury switch 50 is opened.
tor of the end of the ?lm in normal operation. It will be
Then, when the last shutter closes, the projector 17 will
remembered that the switch 56 or 66, as it falls, also cuts
be shut off. It will benoted that this saves the time of 65 otf the projector motor 51 and lamp 52, so that no fur
the proprietor or his employees, conserves the power of
therdamage to the ?lms 53 will occur. In the device of
the projector motor 51,.and conserves the lamp 52 during
Figs. 1-3, there is, in this event of breakage, an added
the time when the apparatus is not in use.
advantage, because the falling of the mercury switch 56
The above described apparatus keeps the machine
or 66 will start the other projector running, the observer
operating until the end of the ?lm 53 approaches. There 70 will still have a show to watch, and the proprietor can
(see Fig. 1) a notch '54 may be provided, or if desired,
repair the break before the next changeover takesplace.
the ?lm 53 can be permitted to run entirely off its reel
To.those;skilled in the art to which this inventionre
55. When the notch 54 is reached ‘(or the end of the
llates, many changes in construction and widely differing
?lm is passed by) the mercury switch 56 falls (Figs. 1,
embodiments and applications of the invention will sug
3, and 5), thereby opening the electric circuit of ‘the
gest themselves without departing from the spirit and
2,833,541
5
scope of the invention. The disclosures and the descrip
6
tion herein are purely illustrative and are not intended
when and only when any said shutter is open, said an
tomatic projector operating means comprising a mercury
to be in any sense limiting.
We claim:
1. In a motion picture apparatus having va rectangular
booth enclosed by front, rear, and side walls, a screen
when said shutter is closed to closed position when said
shutter is open, all said mercury switches being in par
allel with each other and in series with said projector.
switch rotated by said solenoid from open position
5. In a motion picture apparatus having a rectangular
inside said booth adjacent said rear wall, projection
booth with front, rear, and side walls, a screen inside said
means in said booth for projecting a picture on said
booth adjacent said rear wall, two projectors for pro
screen, a plurality of windows forviewing the picture on
said screen, and shutter means normally closing oif the 10 jecting a picture on said screen, one at a time, a plural
ity of viewing windows, in said booth, and a pivotally
view through each said window, the combination there
with of shutter-opening means for moving each said shut
mounted shutter for each window, adapted normally to
close off the view through said window, the combination
ter means out of the way for a predetermined interval of
therewith of means for opening each said shutter inde
time only and independently of the opening or closing
of the remaining shutter means, and automatic means ac 15 pendently of the remaining shutters for a predetermined
interval of time to permit viewing of the picture on said
tuated by said shutter-opening means for operating said
projection means when any shutter means is open, and so
long as any shutter means is open and ?lm is on said
screen through its window, automatic projector operating
means actuated by the opening of any said shutter for
running said one said projector when and only when any
projection means and for stopping said projection means
20 said shutter is open; and automatic projector switchover
when all said shutters are closed.
2. In a motion picture apparatus having a rectangular
means for turning one said projector off and the other
projector on when said one projector reaches an end of
booth enclosed by front, rear, and side walls, a screen in
side said booth adjacent said rear wall, projection means
its ?lm.
6. In a motion picture apparatus having a rectangular
in said booth for projecting a picture on said screen, a
plurality of windows for viewing the picture on said 25 booth with front, rear, and side walls, a screen inside said
booth adjacent said rear wall, projection means for
screen, and a shutter normally closing off the view
projecting a picture on said screen, a plurality of win
through each said window, the combination therewith of
an electric circuit means for moving each said shutter
dows in said booth for viewing the picture on said screen,
and a corresponding plurality of shutters normally clos
means out of the way for a predetermined interval of
time, independently of the remaining shutters, said elec 30 ing off the view through each said window, the combi
tric circuit means comprising an initial actuating switch,
a timer and a solenoid, in series, for each said shutter,
said solenoid serving to open said shutter when energized
nation therewith of an electric circuit with a rotatable
circular solenoid for each said shutter and serving when
energized to move its said shutter out ‘of the way and
hold it out of the way so long as it is energized, inde
by the closing of said switch and holding it open while
held energized by said timer, and a mercury switch ro 35 pendently of the remaining shutters, a coin-operated
tated from open position to closed position by energiza
switch for each said solenoid, whereby said solenoid is
tion of each solenoid and vice versa upon deenergization
energized by insertion of a coin in said switch, a timer
for holding each said solenoid energized for a prede
thereof, all said mercury switches being in parallel with
termined interval of time after insertion of a coin in its
each other and in series with said projection means,
whereby said projection means operates when any shut 40 said switch, and a plurality of mercury switches, each ro
tated by one said solenoid from open to closed position
ter is open and so long as any shutter is open and ?lm
is on said projection means and whereby said projection
by energization of said solenoid, said mercury switches
being in parallel with each other and in series with said
means stops when all said shutters are closed.
3. In a motion picture apparatus having a rectangular
projection means so that upon closing of any of said
mercury switches, said projection means operates and
booth with front, rear, and side walls, a screen inside said
booth adjacent said rear wall, a projector for projecting a
continues to operate so long as any mercury switch is
picture on said screen, a plurality of viewing windows
closed and ?lm is on said projection means, said pro
jection means stopping when all said mercury switches
in said booth, and a pivotally mounted shutter for each
window, adapted normally to close off the view through
are open.
said window, the combination therewith of means for
7. In a motion picture apparatus having a rectangular
booth with front, rear, and side walls, a screen inside
said booth adjacent said rear wall, projection means for
projecting a picture on said screen, a plurality of win
dows in said booth for viewing the picture on said screen,
opening each said shutter independently of the remaining
shutters for a predetermined interval of time to permit
viewing of the picture on said screen through its window,
and automatic projector operating means actuated by the
opening of any said shutter for running said projector
and a corresponding plurality of shutters normally clos
when and only when any said shutter is open.
ing o? the view through each said window, the combi
4. In a motion picture apparatus having a rectangu
nation therewith of an electric circuit with a rotatable
circular solenoid for each said shutter and serving when
lar booth with front, rear, and side walls, a screen in
side said booth adjacent said rear wall a projector‘for 60 energized to move its said shutter out of the way and
hold it out of the way so long as it is energized, inde
projecting a picture on said screen, a plurality of view
pendently of the remaining shutters; a coin-operated
ing windows in said booth, and a pivotally mounted shut
ter for each window, adapted normally to close off the
switch for each said solenoid, whereby said solenoid is
energized by insertion of a coin in said switch; a timer
view through said window, the combination therewith
of means for opening each said shutter independently 65 for holding each said solenoid energized for a prede
termined interval of time after insertion of a coin in its
of the remaining shutters for a predetermined interval of
said switch; a plurality of mercury switches, each ro
time to permit viewing of the picture on said screen
tated by one of said solenoid from open to closed posi
through its window, said means comprising an electric
circuit for each said shutter with a coin-operated switch,
tion by energization of said solenoid, said mercury
a timer, and a circular solenoid in series with each other, 70 switches being in parallel with each other and in series
with said projection means so that upon closing of any
said solenoid being energized by a coin inserted in
said mercury switch, said projection means operates and
said switch and held energized by said timer for a time
continues to operate so long as any mercury switch is
interval and when energized holding its shutter open, and
closed and ?lm is on said projection means, said projec~
automatic projector operating means actuated by the
opening of any said shutter for running said projector 75 tion means stopping when all said mercury switches
7
2,833,541
8
are open; and‘ another mercury switch means in series
with said projection means held open mechanically by
a last-named mercury switch, one projector only being
?lm passing through said projection means and closing
gized upon the opening of said last-named mercury switch
at one projector to start the second projector operating.
when no ?lm holds it open, so that said projection means
then stops.
8. The apparatus of claim 7 wherein there is also a
buzzer actuated by the opening of said last-named mer
cury switch means for giving audible warning of the fact
that said projection means has stopped.
9. The apparatus of claim 7 in which said projection 10
means comprises a pair of projectors each provided with
operated at any one time, and a changeover switch encr
References Cited in the ?le of this patent V
UNITED STATES PATENTS
1,115,017
1,434,845
1,583,143
Pierce _______________ __ Oct. 27, 1914
Richardson et al. ______ __ Nov. 7, 1922
Hansen ______________ __ May 4, 1926
Документ
Категория
Без категории
Просмотров
0
Размер файла
731 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа